/*
 * Copyright 2006-2007 S W McIlroy
 * Licensed  under the  Apache License,  Version 2.0  (the "License");
 * you may not use  this file  except in  compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed  under the  License is distributed on an "AS IS" BASIS,
 * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
 * implied.
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.mockfu;

/**
 * A callback implementing the dynamic proxy created from a <tt>{@link ProxyBuilder}</tt>.
 */
public interface MethodInterceptor
{
    /**
     * Handles method invocations on a dynamic proxy.
     *
     * @param context method invocation context, including the proxy instance, method and arguments
     * @return the value to return from the proxy; the return type should be castable to the return
     *         type of the method being invoked
     * @throws Throwable exception to throw from the proxy; the exception need not be declared in a
     *             throws clause on the proxy
     */
    public Object intercept( InvocationContext context ) throws Throwable;

}
